Noctua NH-U12S DX-3647, Premium CPU Cooler for Intel Xeon LGA3647 (120mm, Brown)

5 heatpipes and premium grade 120mm fans for excellent cooling efficiency, slim 120mm size for high compatibility, ideal for quiet workstations in noise sensitive applications (A/V, engineering, etc.) Supports narrow and square type LGA3647 sockets for Intel Xeon Scalable (Platinum, Gold, Silver or Bronze, Skylake-SP/Purley) and Xeon-Phi platforms (Knight's Landing, Knight's Mill) Two state-of-the-art NF-A12x25 fans (push/pull dual fan configuration), supporting PWM for automatic speed control through the motherboard: silent at idle, full CFM performance when necessary Pre-applied NT-H1 thermal compound and easy, straightforward installation thanks to Secu Firm2 mounting system and included processor clips Trusted Noctua quality backed up by 6-year manufacturer's warranty